Clean up pre C++1 idioms:
* Use auto for in some loops
* Fix shadowing iterator declaration
* Rename NUMBER to ARRAYSIZE.
* Use placeholders instead of macros
* Replace macro BIND_TYPE with std::bind
* Replace BOOST_FOREACH with range-for
Add documentation comments
Allow ledgers to be loaded from the command line.

Conflicts:

	src/ripple_data/protocol/BuildInfo.cpp
Refactor the structure of RippleCalc
* Split code into multiple files
* Rename and move things
Complete NodeStore documentation
* Complete README.md
* Add missing doxygen
* Fix getHitRate bug
Properly standardize RFC1751 inputs
RippleCalc: Stop using reference that might have been invalidated.
Initialize unassigned variable bConsumed.

* Assigned in the code, but only to false.
* Someday will get assigned to true.
Comments added regarding pathfinding.

* Other comments from this same session to PathState and
  RippleCalc are being put into those cleanup change lists.